https://www.wsj.com/articles/do-something-anything-about-gun-violence-1507239196

This article demonstrates polarization because the republicans and democrats are being separated and a rift is forming on the issue gun violence and control. A man named Jehuda Greener said, "Looking at Chicago’s problem would invite close inspection of some 50 years of Democratic rule". In this statement he is essentially claiming that the democratic rule over Chicago is the reason that gun violence is such a prominent issue there.